Found 1 abbreviations in 1 groups
| HHLD: Meaning | Category |
| HHLD | Heading hold | avionics |
Abbreviations similar to hhld
- HALT - Hungry Angry Lonely Tired
- HLT - Hamilton Airport
- HLD - Hailar Dongshan Airport
- HLDD - High-Level Design Document
- HLDI - Harvard Library Digital Initiative
- HOLT - Honoring Outstanding Literary Talent
